2668093 has 2 divisors, whose sum is σ = 2668094.
Its totient is φ = 2668092.
The previous prime is 2668091. The next prime is 2668097. The reversal of 2668093 is 3908662.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1750329 + 917764 = 1323^2 + 958^2
It is a cyclic number.
It is not a de Polignac number, because 2668093 - 21 = 2668091 is a prime.
Together with 2668091, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2668091) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334046 + 1334047.
It is an arithmetic number, because the mean of its divisors is an integer number (1334047).
22668093 is an apocalyptic number.
It is an amenable number.
2668093 is a deficient number, since it is larger than the sum of its proper divisors (1).
2668093 is an equidigital number, since it uses as much as digits as its factorization.
2668093 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15552, while the sum is 34.
The square root of 2668093 is about 1633.4298270817.
The cubic root of 2668093 is about 138.6969745708.
The spelling of 2668093 in words is "two million, six hundred sixty-eight thousand, ninety-three".